A-55485/04-018D

View detailed technical data, stock status, and sourcing information for: A-55485/04-018D
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-01-199-2858

Item Name Code

61934

Assigment Date

01/19/1985 (41 years ago)

An item fabricated from electrically nonconductive material specifically designed to provide a support for mounting an electrical and/or an electronic component such as a semiconductor device, relay, or resistor into the next higher assembly. It isolates the component from the mounting surface of the next higher assembly, it may act as a strain relief to avoid damage to the component seal, and it may permit soldering of the component to the next higher assembly without damage. It includes holes, notches, or other provisions for physical alignment and spacing of electrical leads and/or other mounting facilities projecting from the component it mounts. It may also afford protection from shock or vibration. It may be either nonthermally conductive which protects the component from temperature changes in the next higher assembly or it may be thermally conductive which permits heat generated in the component to be drained out to a heat sink. For items whose function is electrical insulation only, see insulator, (as modified). Excludes:holder, (as modified); retainer, (as modified), and spacer, plate.

0.120 inches nominal overall height, 0.600 inches nominal overall diameter, disk body style, 0.040 inches nominal single mounting facility unthreaded mounting hole diameter, 12 unthreaded hole single mounting facility mounting facility type and quantity

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Body Style: disk
Overall Height: 0.120 inches nominal
Overall Diameter: 0.600 inches nominal
Unthreaded Mounting Hole Diameter: 0.040 inches nominal single mounting facility
Mounting Facility Type And Quantity: 12 unthreaded hole single mounting facility
Accommodated Device Mounting Hole Pattern Style: twelve hole - 0.400 inch
Accommodated Device Mounting Hole Quantity: 1
Color: natural
Material: plastic diallyl phthalate
Test Data Document: "58536-a-a-55485 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Specification/Standard Data: 58536-a-a-55485/4 government specification

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5999-01-030-1281	No Name Available	01/01/2001
5999-01-062-8232	No Name Available	07/14/1995

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
10323-4	Electrical-Electron Mounting Pad
56010007D	Electrical-Electron Mounting Pad
A-55485/04-018D	Electrical-Electron Mounting Pad
M38527/04-018D	Electrical-Electron Mounting Pad

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5999-01-199-2858?

The FSCG of the NSN 5999-01-199-2858 is 5999

Does the NSN 5999-01-199-2858 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5999-01-199-2858 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5999-01-199-2858 contain precious materials?

Item does not contain precious metal.

Does NSN 5999-01-199-2858 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5999-01-199-2858 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Sat, Jan 19, 1985